The barrel is a lightweight, stainless steel, medium profile, shortened version of their standard SDM barrel. My choice for them is the 16″ Squad Designated Marksmen (SDM) barrel.
White Oak barrels are run in all forms of competition because they are known for accuracy. For my purpose, I focused on preferably a 16″, maybe 18″, barrel with a mid-length gas system that is accurate. Good White Oak Armament is a name any AR enthusiast knows. These are my top 3 choices in a “Good,” “Better,” and “Best” format. I stayed with production barrels to ease my search however, several of these manufacturers do custom work as well. I was looking at AR barrels, in wishful hope, contemplating my next build and decided to look as though money wasn’t an issue. After all, it’s the heart and soul of a firearm. Plus, when it comes to barrels, I try not to go cheap. However, not everyone is as frugal as I am. I haven’t won the lottery yet, so I still look at these options for a number of my firearm purchases. I’ve written several articles about budget options for your firearms and builds.